docs(readme): 未知子命令的提示改成 unlucky-launcher --help(M82 r4 复审 P2)

两版 README 的「未知子命令是错误,不是开窗」一段写的是提示 `ull --help`,与真实输出相反:
GUI 二进制跑出来是 `unlucky-launcher --help`(只有 `ull` 自己跑才是 `ull --help`),
而且同文 87/77 行已经写着「自称的名字跟着你敲的那个二进制走」——正文自相矛盾。

只改这两处;全文其余 `ull` 都是指 `ull` 那个产物本身(对照表、§ 说明、`ull --help` 的对比句),
按语境保留。
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AskaEth committed 2026-11-02 08:08:18 +08:00
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@@ -110,8 +110,8 @@ The rule is deliberately narrow, so nothing that used to work changed meaning:
still opens the GUI.
**Unknown subcommands are an error, not a GUI launch**: `unlucky-launcher lst` prints
"未知命令 `lst`", hints `ull --help`, and exits 1. Silently opening a window would tell a script
that its typo took effect. The subcommand table itself lives in exactly one place —
"未知命令 `lst`", hints `unlucky-launcher --help`, and exits 1. Silently opening a window would tell
a script that its typo took effect. The subcommand table itself lives in exactly one place —
`crates/cli/src/cli/parse.rs` — so both GUI binaries and `ull` accept the same set by construction.
## Module map
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@@ -97,9 +97,9 @@ unlucky-launcher --version # CLI,输出版本 + 系统摘要
仍然开 GUI;GUI 专属参数(`--software-renderer`、`--screenshot*`、`--renderer`、`--theme`、
`--diff`、`--force-state` 等)在 CLI 里一律解析失败,也仍然开 GUI。
**未知子命令是错误,不是开窗**:`unlucky-launcher lst` 打印「未知命令 `lst`」、提示 `ull --help`,
以 1 退出。静默开窗会让脚本以为自己那个拼错的参数生效了。子命令表只有一处定义
(`crates/cli/src/cli/parse.rs`),所以两个 GUI 二进制和 `ull` 认的命令集天然一致。
**未知子命令是错误,不是开窗**:`unlucky-launcher lst` 打印「未知命令 `lst`」、提示
`unlucky-launcher --help`,以 1 退出。静默开窗会让脚本以为自己那个拼错的参数生效了。子命令表只有
一处定义(`crates/cli/src/cli/parse.rs`),所以两个 GUI 二进制和 `ull` 认的命令集天然一致。
## 模块地图